Mortage Calculator

Greenhorn

Posts: 1

posted 12 years ago

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My name is Roger

This is my first week ever programming with java.

This is what I have to create; I have to have an applet to put on a web page where it will calculate a loan amount or principle, number of payments = payments per year*number of years, interest per period = apr/payments per year = apr/12, monthly payment amount = principal * interest per period /(1-(1+(interest per period)/100)^(number of payments -1)^2)

This is what I have so far but I can not get it to work.

Import javax.swing.JOptionPane;
 
Public class MortgageCalculator
{
     public static void main( String args[] )
     {
          //get user input from JOptionPane input dialogs
         String loanAmount =
               JOptionPane.showInputDialog( �Enter Loan 
Amount� );
          String secondNumber = 
                 JOptionPane.showInputDialog( �Enter 
annualPercentageRate� );
          String thirdNumber = 
                    JOptionPane.showInputDialog( 
�numberOfYearsToPayLoan� );
          //convert String inputs to int values for use in 
calculation
         int number1 = Integer.parseInt( loanAmount );
         int number2 = Integer.parseInt( annualPercentageRate 
);
         int number3 = Integer.parseInt( numOfYearsToPayLoan 
);
         int monthlypaymentamount =((p*(i/100))/(1-(Math.pow
((1+(i/100)),(n*(-1))))));
        //display result in a JOptionPane message dialog
       JOptionPane.showMessageDialog( null, �The monthly 
payment amount is � +    monthlypaymentamount, �Monthly 
Payment Amount�, JOptionPane.PLAIN-MESSAGE );
 
     } // end method main
  
} //end class MortgageCalculator

I would really appreciate your help.

Thank You
Roger
[ July 12, 2008: Message edited by: Bear Bibeault ]

pete stein

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